Sena Madureira weather in December

In December, Sena Madureira sees average daytime highs of 31°C and overnight lows near 23°C, with 248 mm of rain across 26.9 wet days and about 12.5 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 2% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of December to 12 h 30 min by month's end. Set against the rest of the year, December is Sena Madureira's 9th-clearest and 3rd-windiest month. For the whole year in context, see Sena Madureira's year-round climate.

Daytime high
31°
5th warmest
Overnight low
23°
12th coldest
Rainfall
248 mm
26.9 wet days
Daylight
12 h 30 min
5:15 AM – 5:47 PM
Cloud cover
86%
9th clearest
Wind
6 km/h
3rd windiest
Solar energy
4.78 kWh/m²
Travel score
2.8
out of 10

Sena Madureira is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical December day in Sena Madureira reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How December really feels in Sena Madureira

Once humidity and wind are folded in, December averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Sena Madureira weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°26227.612.52.7
Feb30° / 23°25525.312.32.7
Mar30° / 23°27928.412.12.7
Apr30° / 22°18624.611.83.0
May30° / 22°10919.211.64.0
Jun30° / 21°5311.711.55.0
Jul31° / 20°327.111.55.2
Aug32° / 21°478.711.74.2
Sep33° / 22°10315.811.93.2
Oct32° / 23°17322.112.22.8
Nov31° / 23°22024.612.42.8
Dec31° / 23°24826.912.52.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 7% of December, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1991
2991
3991
4991
5991
6892
7892
8892
9892
10991
11991
12991
13892
14892
15892
16892
17892
18892
19892
20892
21991
22991
23991
24991
25991
26991
27892
28892
29892
30892
31892

Chance of precipitation in December

Any precipitation

Sena Madureira gets around 248 mm of rain over 26.9 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 87% and peaks near 88% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
187
287
388
488
588
688
788
888
988
1088
1188
1288
1387
1487
1587
1686
1786
1886
1986
2086
2186
2286
2386
2486
2586
2686
2786
2886
2986
3086
3186

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the oppressive band about 69% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
16040
26040
36139
46139
56238
66238
76337
86436
96436
106535
116634
126733
136832
146931
156931
167030
177129
187228
197327
207327
217426
227525
237525
247624
257624
267624
277723
287723
297723
307723
317723

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 30 min at the start of December to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 5:10 AM to 5:22 AM, and sunset from 5:39 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:105:39
212.55:105:40
312.55:105:40
412.55:115:41
512.55:115:41
612.55:115:42
712.55:125:42
812.55:125:43
912.55:125:43
1012.55:135:44
1112.55:135:44
1212.55:135:45
1312.55:145:45
1412.55:145:46
1512.55:155:46
1612.55:155:47
1712.55:165:47
1812.55:165:48
1912.55:165:48
2012.55:175:49
2112.55:175:49
2212.55:185:50
2312.55:185:50
2412.55:195:50
2512.55:195:51
2612.55:205:51
2712.55:205:52
2812.55:215:52
2912.55:215:53
3012.55:225:53
3112.55:225:53

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.78 kWh/m².

For context, solar energy here swings from a low near 4.17 kWh/m² to a high of 5.51 kWh/m² in September across the year — December's 4.78 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in December

Hazard calendar for Sena Madureira

In seasonPeak

In December, Sena Madureira sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Sena Madureira's rainy season runs October–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Sena Madureira?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

2.8
Sightseeing
7th-best month of the year
4.0
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Sena Madureira.

What to pack for Sena Madureira in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Sena Madureira sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

UV index in Sena Madureira in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sena Madureira peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 10 at about 7 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 21UV 15Sep 10UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun9Very high
Jul8Very high
Aug8Very high
Sep7High
Oct12Extreme
Nov13Extreme
Dec13Extreme

Air quality in Sena Madureira in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Sena Madureira is worst in September — around 75 µg/m³ PM2.5 (unhealthy), about 10.8× the cleanest month (June, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

020406080JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodUnhealthyModerateGoodSep 1470 µg/m³Jun 117 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb13Moderate
Mar13Moderate
Apr10Good
May8Good
Jun7Good
Jul11Good
Aug45Poor
Sep75Unhealthy
Oct19Moderate
Nov13Moderate
Dec10Good
Location & terrain

Where is Sena Madureira?

Sena Madureira sits at 9.1°S, 68.7°W, 144 m above sea level, in Brazil. The nearest listed city is Porto Acre, 138 km away.

Topography around Sena Madureira

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sena Madureira.

Within 3 km, the terrain around Sena Madureira has only modest variations in elevation — a maximum elevation change of 54 m around an average of 145 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 95 m; within 80 km, only modest variations in elevation — a maximum elevation change of 176 m.

The land around Sena Madureira is covered by trees (45%) and grassland (41%) within 3 km, trees (58%) and grassland (40%) within 16 km, and trees (90%) within 80 km.

3 km
54 m
16 km
95 m
80 km
176 m
treesgrasslandartificial surfaceswater
December weather nearby: Porto Acre 138 km · Rio Branco 139 km · Boca do Acre 144 km · Senador Guiomard 158 km · Xapuri 178 km · Feijó 210 km · Plácido de Castro 216 km · Brasiléia 217 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Sena Madureira (-9.0634°, -68.6724°, elevation 144 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).